Brazilein modified zinc oxide nanorods with enhanced visible light-responsive photocatalytic efficiency

Photocatalytic efficiency of ZnO nanorods has been investigated with respect to the concentration brazilein. Brazilein modified were prepared by an impregnation process 1.0%w/v, 2.5%w/v, and 5.0%w/v brazilein solution. In order correlate variation in distributions photocatalytic performance, phase composition, optical properties, photo-catalytic activities different concentrations have compared unmodified nanorods. The properties measured terms indigo carmine degradation under visible light irradiation. It was found that highest light-responsive achieved modification resulting degraded faster than case nanorod about 60% within 5 h.